2018 Audi R8 LMS GT4 495HP Supercar Exterior Interior Design & Driving Footage HD After GT3 and TCR, the brand now provides a race car for the GT4 category. With up to 364 kW (495 hp) it is the ideal entry level model for amateurs in GT racing. The Audi R8 LMS GT4 is based more than 60 per cent …